Mechanical Safety Engineer (HSE-OHS-PE-2025-270-GRAE)

Are you knowledgeable in mechanical design and construction? Do you want to contribute to a unique and challenging research infrastructure? Then your Origin starts here. Deepen your knowledge and expertise faster than anywhere else on earth. Take Part!

CERN's Process Engineering and General Safety Services section of the Occupational Health and Safety and Environmental Protection (HSE) Unit is looking for a Mechanical Safety Engineer to join the team and collaborate with a multidisciplinary and diverse team of engineers, physicists and technicians.

Your responsibilities

• Provide support in terms of mechanical safety regarding pressure equipment and lifting equipment to CERN technical departments.
• Check conformity of engineering and tendering specifications and fabricated equipment with standard safety requirements.
• Support, verify and validate mechanical design calculations prepared by different CERN technical departments (this activity can relate to highly specialised equipment, not fully covered by common standards).
• Contribute to the Project and Experiment Safety Support activity for the follow-up of CERN projects, internally coordinating different safety specialists in defining exhaustive safety requirements for experimental facilities, installations and equipment.
• Provide support in safety risk assessment and risk control, equipment integrity, audits and technical reviews.

More information here.

Your profile

• Experience/strong knowledge in the field of Mechanical Engineering, equipment design/fabrication and/or integrity management.
• Experience/strong knowledge of design and construction codes for mechanical systems (pressure equipment and lifting equipment).
• Experience/strong knowledge of manufacturing and non-destructive testing methods of mechanical systems and assemblies.

Skills:

Required:

• Analytical mindset to analyse, discuss and comment mechanical designs;
• Capability to work in an international and multi-disciplinary team.

Valuable:

• Knowledge in structural strength assessment methods for mechanical structures (analytical calculations, Finite Element Analysis);
• Experience/knowledge in risk assessment methodologies (e.g. FMEA, ETA, FTA, HAZOP, etc.);
• Experience/knowledge in drafting and editing safety-related reports, assessments and specifications to present to decision makers and/or to the authorities;
• Spoken and written English, with a commitment to learn French.

Eligibility criteria:

• You are a national of a CERN Member or Associate Member State.
• By the application deadline, you have a maximum of two years of professional experience since graduation in Mechanical Engineering (or a related field) and your highest educational qualification is either a Bachelor's or Master's degree.
• You have never had a CERN fellow or graduate contract before.
• Applicants without University degree are not eligible.
• Applicants with a PhD are not eligible.

Job closing date: 05.01.2026 at 23:59 CET.

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working hours: 40 hours per week

Job flexibility: Fully Onsite

Target start date: 01-May-2026

This position involves:

• Work in Radiation Areas.
• Interventions in underground installations.
• A valid driving licence.

Job reference: HSE-OHS-PE-2025-270-GRAE

Field of work: Mechanical Engineering

Benchmark job: 200070 - Health, Safety and Environment Engineer

Global Benefits

• A monthly stipend between 5196-5716 Swiss Francs per month (tax free) depending on your degree.
• 30 days of paid leave per year plus 2 weeks annual closure.
• Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
• Family, child and infant monthly allowances depending on your individual circumstances.
• A relocation package (installation grant and travel expenses) depending on your individual circumstances.
• Possibility to extend your contract up to 36 months.
• On-the-job and formal training including language classes.

Overview of CERN - Discover a world where the impossible is made possible!

At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.

Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.

If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!

More information about us, here: careers.cern